CSTM's Aerospace & Transportation Strength Seems Firm: More Upside Ahead?

Constellium SE CSTM continues to gain momentum, with the Aerospace & Transportation segment playing an important role in driving its overall growth. The segment’s shipments totaled 207,000 metric tons in 2025, supported by a strong demand environment.

Revenues from the segment increased 8% to nearly $2 billion in the year, supported by increased shipments and metal prices. Healthy orders for transportation, industry and defense rolled products are driving the segment’s performance. However, lower shipments of aerospace rolled products are concerning for the Aerospace & Transportation segment.

Rising aluminum prices, driven by geopolitical tensions between Israel and Iran, have been supporting domestic producers like Constellium. Disruptions in the Strait of Hormuz, a key Middle Eastern shipping route, have tightened regional supply. As a result, global aluminum prices have increased, benefiting major industry players such as Constellium.

Also, the company is witnessing solid momentum in its Packaging & Automotive Rolled Products segment. The segment’s shipments increased 6% year over year to 1,086,000 metric tons in 2025, supported by a robust demand environment.

Though weaker aerospace volumes remain a concern for the Aerospace & Transportation segment, solid demand and increased shipment of products are fueling steady growth for this segment.

Segment Snapshot of CSTM's Peers

Among its peers, Ryerson Holding Corporation RYZ is witnessing strong momentum in the Aluminum segment. The segment’s shipments were relatively flat year over year at 185,000 tons in 2025. Revenues from the segment totaled $1.15 billion, reflecting an increase of 10.4%, supported by higher metal prices and strong shipments.

Alcoa Corporation AA is witnessing strength in the Aluminum segment, driven by strong demand in the electrical and packaging markets. The restart of the San Ciprián (Spain), Alumar (Brazil) and Lista (Norway) smelters has increased Alcoa’s overall production capacity. In 2025, Alcoa’s production from the Aluminum segment increased 5% on a year-over-year basis to 2,319 kilo metric tons.

CSTM’s Price Performance, Valuation and Estimates

Shares of Constellium have gained 34.9% in the past three months compared with the industry’s growth of 12.1%.

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From a valuation standpoint, CSTM is trading at a forward price-to-earnings ratio of 11.99X, above the industry’s average of 10.33X. Constellium carries a Value Score of A.

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The Zacks Consensus Estimate for CSTM’s 2026 earnings has increased 20.6% over the past 60 days.

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The company currently sports a Zacks Rank #1 (Strong Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.

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